CN112683499A - Illumination characteristic illumination testing device for operation shadowless lamp - Google Patents
Illumination characteristic illumination testing device for operation shadowless lamp Download PDFInfo
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- CN112683499A CN112683499A CN202110233440.1A CN202110233440A CN112683499A CN 112683499 A CN112683499 A CN 112683499A CN 202110233440 A CN202110233440 A CN 202110233440A CN 112683499 A CN112683499 A CN 112683499A
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Abstract
The patent relates to an illumination characteristic illuminance testing device for a surgical shadowless lamp, which is used for testing the illuminance parameters in the illumination characteristic of the surgical shadowless lamp: central illumination, spot diameter, spot distribution diameter, light column depth, single-shutter shadowless rate, double-shutter shadowless rate, deep-cavity illumination rate, single-shutter deep-cavity shadowless rate, double-shutter deep-cavity shadowless rate. This patent comprises 1 platform of electronic worm wheel lead screw lift, 1 piece of circular work platform, 1 root of horizontal guide, 1, single sunshade support of slider. The electric worm wheel lead screw lifter comprises a motor, a motor control panel, a motor transmission connection base, a worm wheel lead screw, an anti-rotation groove mark, a fixed base, a lead screw plumb line adjusting bolt, an angle encoder and a numerical value display panel. The single-shielding-plate support comprises a matt black disk and a metal support, and the distance between the center of the metal support and the circle center of the matt black disk is 65 mm. And all the surfaces of all the parts are sprayed with black paint, so that the surfaces are guaranteed to be black matt coatings.
Description
Technical Field
The patent relates to an illumination characteristic illuminance testing device for a surgical shadowless lamp, which is used for testing the illuminance parameters in the illumination characteristic of the surgical shadowless lamp: central illumination, spot diameter, spot distribution diameter, light column depth, single-shutter shadowless rate, double-shutter shadowless rate, deep-cavity illumination rate, single-shutter deep-cavity shadowless rate, double-shutter deep-cavity shadowless rate.
Background
The operation shadowless lamp belongs to II types of medical instruments, the registration of the operation shadowless lamp needs to pass the registration check, and the operation shadowless lamp comprises a standard YY 0627 part 2 of medical electrical equipment: the standard makes clear requirements on illumination parameters in the illumination characteristics of the surgical shadowless lamp, and surgical shadowless lamp manufacturers need to have corresponding detection devices and detection equipment to master the actual parameter values of the produced surgical shadowless lamp and perform the normalization in corresponding random files so as to facilitate the reference of users. The third-party detection mechanism for detecting the operating shadowless lamp also needs a corresponding detection device to detect the product so as to judge whether the actual lighting parameters and the numerical values of the factory nominal values of the product meet the standard requirements.
Disclosure of Invention
To the actual detection needs, this patent provides an operation shadowless lamp illumination characteristic illuminance testing arrangement.
This patent comprises 1 platform of electronic worm wheel lead screw lift, 1 piece of circular work platform, 1 root of horizontal guide, 1, single sunshade support of slider.
The electric worm wheel lead screw lifter comprises a motor, a motor control panel, a motor transmission connection base, a worm wheel lead screw, an anti-rotation groove mark, a fixed base, a lead screw plumb line adjusting bolt, an angle encoder and a numerical value display panel. The motor transmission connection base is used for installing and fixing a motor, a motor control panel, a worm wheel screw rod and a fixing base. The fixed base is composed of a horizontal metal plate and a hollow metal pipe, and four bolts are arranged at four corners of the metal plate and used for fixing the motor transmission connection base and the turbine screw rod base. And 3 lead screw plumb line adjusting bolts are arranged between the metal plate and the motor transmission connection base, and the lead screw is ensured to be along the plumb line direction by adjusting the 3 lead screw plumb line adjusting bolts. The screw rod can move up and down in the hollow metal tube, and the metal tube is partially positioned below the ground, so that the whole detection platform is lowered while the whole detection device is fixed, and the operation is convenient. The head of the screw rod is cylindrical, the screw rod is provided with a rotation-preventing groove, a vertical line mark is made in the middle of the top of the rotation-preventing groove, and when the diameter of the light spot and the diameter of the light spot distribution are measured, the mark is aligned with the position of one coordinate position marked in the standard. In order to improve the efficiency, the worm wheel screw rod lifter adopts an electric mode. The angle encoder is used for calculating the moving distance of the screw rod, and the numerical value display panel displays the actual moving distance numerical value.
And a metal circular working platform is arranged at the top of the worm wheel screw rod. The circular working platform is kept horizontal, and the upper surface is a plane. The circular working platform is provided with a coordinate position mark. The bottom center of the circular working platform is provided with a cylindrical base used for being fixed at the head part of the screw rod, the aperture of the base is slightly larger than the diameter of the head part of the screw rod, a fastening screw is installed on the hole of the cylindrical base and used for fastening the circular working platform, and when the fastening screw is used, the circular working platform is fastened at the top part of the screw rod and cannot move. When loosening the screw, circular work platform can the horizontal rotation to adjust to different coordinate positions during convenient test. The circular working platform is provided with two holes on two sides of the guide rail along the direction that the circle center is vertical to the horizontal guide rail, and the shape and the size of the holes are the same as those of the single shielding plate bracket and are used for fixing the single shielding plate. The distance from the center of the hole to the center of the circle is 65 mm.
A horizontal metal guide rail is fixed on the circular working platform surface along the diameter direction by screws, and the length of the guide rail is larger than the light spot diameter d of the operation shadowless lamp needing to be tested at present10(the diameter of a circle with the illumination reaching 10% of the central illumination) is the maximum value, the center of the horizontal guide rail is superposed with the center of the circular workbench, and a graduated scale is horizontally fixed on one side of the horizontal guide rail and used for reading。
A metal sliding block which can move horizontally is arranged on the horizontal guide rail. The middle of the upper surface of the sliding block is provided with a cylindrical metal piece with a slit on one side surface for fixing the illuminometer probe, and the slit on the side surface is used for arranging the illuminometer probe cable.
The single shutter support comprises a matt black disc with a standard required diameter of 210mm, and a metal support, wherein the center of the metal support is 65mm away from the center of the matt black disc, and the single shutter support is designed to be used for a single shutter test and a double shutter test at the same time only by adjusting the fixed direction of the single shutter.
And black paint is sprayed on the surfaces of all the parts, so that the surfaces are guaranteed to be black matt coatings, and the influence of light reflection and diffuse reflection on the test result is prevented.
Drawings
Fig. 1 is a schematic view of a combined structure of a circular working platform, a horizontal guide rail and a sliding block.
FIG. 2 is a schematic view of the bottom structure of the combination of the circular working platform, the horizontal guide rail and the sliding block.
Fig. 3 is a schematic structural diagram of an electric worm-gear lead screw lifter.
Fig. 4 is a schematic view of the head structure of the screw.
Fig. 5 is a schematic view of a lead screw plumb line adjusting bolt structure.
Fig. 6 is a schematic view of a single shutter bracket configuration.
FIG. 7 is a schematic diagram of the structure of central illumination, spot diameter, spot distribution diameter, and light beam depth test.
FIG. 8 is a schematic diagram of a single-shutter shadow-free ratio test structure.
FIG. 9 is a schematic diagram of a double-shutter shadow-free ratio test structure.
The automatic control device comprises a sliding block 1, a horizontal guide rail 2, a circular working platform 3, holes 4, a circular working platform base 5, a fastening screw 6, a single shield plate support 7, a fixing base 8, an electric worm and screw rod lifter 9, a screw rod 10, a groove rotating prevention mark 11, a coordinate position 12, a ground 13, an angle encoder 14, a motor transmission connection base 15, a motor 16, a lead screw plumb line adjusting bolt 17, a motor control panel 18 and a numerical value display panel 19.
Detailed Description
The following detailed description of embodiments of the present patent refers to the accompanying drawings.
This patent comprises 1 electronic worm wheel lead screw lift 9, 1 circular work platform 3, 1 horizontal guide 2, 1 slider 1, 2 single sunshade board supports 7. As shown in fig. 7, the electric worm wheel screw rod lifter 9, the circular working platform 3, the horizontal guide rail 2 and the slide block 1 are installed together, so that the central illumination, the spot diameter, the spot distribution diameter and the light beam depth can be tested. As shown in fig. 8, when 1 single shutter bracket 7 is installed on the basis of fig. 7, a single shutter shadow ratio test can be performed. As shown in fig. 9, when 2 single shutter brackets 7 are installed on the basis of fig. 7, a double-shutter shadowless rate test can be performed. The illuminometer probe shown in fig. 7, 8 and 9 is sleeved with a deep cavity tube with standard requirements, and then the deep cavity illumination rate test, the single-shutter deep cavity shadowless rate test and the double-shutter deep cavity shadowless rate test can be respectively completed.
The following detailed description is provided for specific operations.
When the central illumination test is carried out, the test layout is as shown in fig. 7, the height of a screw rod 10 in an electric worm wheel screw rod lifter 9 is adjusted, a probe of an illuminometer is 1m away from the lowest point of an operating shadowless light emitting surface, a circular working platform 3 is locked by a fastening screw 6, a sliding block 1 is moved to the center of a horizontal guide rail 2, and the center of the probe of the illuminometer on the sliding block 1, the center of the horizontal guide rail 2 and the center of the circular working platform 3 are overlapped. Under the condition that the lamp holder of the operating shadowless lamp is kept horizontal, the sliding block is moved to ensure that the center of the light spot is superposed with the probe of the illuminometer, and the reading of the probe of the illuminometer is the central illumination.
When the spot diameter and the spot distribution diameter are tested, the test arrangement is as shown in fig. 7, the height of the screw rod 10 is adjusted, the probe of the illuminometer is 1m away from the lowest point of the surgical shadowless light emitting surface, a coordinate position 12 marked by the circular working platform 3 is aligned with the screw rod anti-rotation groove mark 11, the circular working platform 3 is locked by the fastening screw 6, the circular working platform 3 is prevented from rotating, the sliding block 1 is moved, the position where the illumination reaches 10% or 50% of the central illumination is found, and the spot diameter and the spot distribution diameter of the coordinate position 12 are obtained according to the scale on the horizontal guide rail 2. Similarly, loosen fastening screw 6, rotate circular work platform 3 according to anticlockwise in proper order 45 and make next coordinate position 12 and lead screw prevent revolving groove mark 11 and align, die fastening screw 6 lock, remove slider 1, seek the position that illuminance reaches central illuminance 10% or 50% department, according to the scale on horizontal guide 2, can obtain the facula diameter and the facula distribution diameter of 4 coordinate positions in proper order. And averaging the obtained spot diameters and spot distribution diameters of the 4 coordinate positions to obtain an average value, namely a final spot diameter and spot distribution diameter test result.
When the light column depth test is carried out, the test layout is as shown in fig. 7, the height of the screw rod 10 is adjusted, the probe of the illuminometer is 1m away from the lowest point of the light emitting surface of the shadowless lamp, the circular working platform 3 is locked by the fastening screw 6, the slide block 1 is moved to the center of the horizontal guide rail 2, the center of the probe of the illuminometer on the slide block, the center of the horizontal guide rail 2 and the center of the circular working platform 3 are superposed, the slide block is moved, the center of a light spot is found, the central illumination is measured, the height of the screw rod 10 is adjusted, the probe of the illuminometer is moved up and down along the optical axis by taking the center of the light spot as a base point until the moved position reaches a measuring point with the central illumination of 20 percent, and the distance.
When the single-shielding-plate shadowless rate test is carried out, as shown in fig. 8, 1 single-shielding-plate support 7 is fixed on the circular working platform 3 according to the direction shown in the figure, the installation direction of the single-shielding-plate support 7 ensures that the center of a single-shielding-plate lightless black disc is coincided with the optical axis, the height of the screw rod 10 is adjusted, the probe of the illuminometer is 1m away from the lowest point of the emission surface of the surgical shadowless lamp, the measured illumination intensity at the center of a light spot when a light beam is shielded by a baffle plate is measured, and the percentage of the illumination intensity to the center illumination intensity.
When the double-shutter shadowless rate test is performed, as shown in fig. 9, 2 single-shutter supports 7 are fixed on the circular working platform 3 according to the direction shown in the figure, the installation direction of the single-shutter supports 7 is opposite to the installation direction of the single-shutter shadowless rate test, the height of the screw rod 10 is adjusted, the probe of the illuminometer is 1m away from the lowest point of the surgical shadowless lamp light emitting surface, the circular working platform 3 is rotated, the illumination measured at the center of a light spot when light beams are shielded by two baffles is measured at 4 coordinate positions, and the percentage of the average value of the illumination measured at the four positions to the center illumination is the double-shutter shadowless rate.
This patent can be quick carry out the test of operation shadowless lamp illumination characteristic illuminance, and is safe simple high-efficient of saving time.
Claims (7)
1. The utility model provides a surgery shadowless lamp illumination characteristic illuminance testing arrangement which characterized in that: the device is composed of 1 electric worm wheel screw rod lifter, 1 round working platform, 1 horizontal guide rail, 1 sliding block and 2 single shield plate supports.
2. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: the electric worm wheel lead screw lifter comprises a motor, a motor control panel, a motor transmission connection base, a worm wheel lead screw, an anti-rotation groove mark, a fixed base, a lead screw plumb line adjusting bolt, an angle encoder and a numerical value display panel; the head of the screw rod is cylindrical, the screw rod is provided with an anti-rotation groove, and a vertical line anti-rotation groove mark is made in the middle of the top of the anti-rotation groove.
3. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: the circular working platform is arranged on the top of the screw rod of claim 2; the circular working platform is marked with a coordinate position; the center of the bottom of the circular working platform is provided with a cylindrical base, and a fastening screw is installed on an opening of the cylindrical base; two holes are formed in the two sides of the circle center of the circular working platform along the diameter direction, and the horizontal distance between the center of each hole and the circle center of the circular working platform is 65 mm.
4. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: the horizontal guide rail is fixed in the diameter direction of the circular working platform in claim 3, and a graduated scale is horizontally fixed on one side of the horizontal guide rail.
5. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: the sliding block is arranged on the horizontal guide rail as claimed in claim 4, and a cylindrical metal piece with a slotted side is arranged in the middle of the upper surface of the sliding block.
6. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: the single-shutter support comprises a matt black disc with the standard requirement of 210mm in diameter and a metal support, and the horizontal distance between the center of the metal support and the center of the matt black disc is 65 mm.
7. The illumination characteristic illuminance testing device for the surgical shadowless lamp as claimed in claim 1, wherein: and black paint is sprayed on all the surfaces of all the parts, so that the surfaces are guaranteed to be black matt coatings, and light is prevented from being reflected and diffused.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233440.1A CN112683499A (en) | 2021-03-03 | 2021-03-03 | Illumination characteristic illumination testing device for operation shadowless lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110233440.1A CN112683499A (en) | 2021-03-03 | 2021-03-03 | Illumination characteristic illumination testing device for operation shadowless lamp |
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| CN112683499A true CN112683499A (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110233440.1A Pending CN112683499A (en) | 2021-03-03 | 2021-03-03 | Illumination characteristic illumination testing device for operation shadowless lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858421A (en) * | 2022-06-17 | 2022-08-05 | 济宁半导体及显示产品质量监督检验中心 | Method for testing illumination parameter of operating shadowless lamp |
| CN115790840A (en) * | 2023-02-10 | 2023-03-14 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Device and method for testing illumination of operating shadowless lamp |
-
2021
- 2021-03-03 CN CN202110233440.1A patent/CN112683499A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114858421A (en) * | 2022-06-17 | 2022-08-05 | 济宁半导体及显示产品质量监督检验中心 | Method for testing illumination parameter of operating shadowless lamp |
| CN114858421B (en) * | 2022-06-17 | 2024-02-20 | 济宁半导体及显示产品质量监督检验中心 | Method for testing illumination parameter of operation shadowless lamp |
| CN115790840A (en) * | 2023-02-10 | 2023-03-14 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Device and method for testing illumination of operating shadowless lamp |
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